问如何在预置语句php中不同行插入多条记录

EN

$sql = 'INSERT INTO ' . $table_1 . '(shipping_fee, waybill_status, pickup_fee, ) 
        VALUES(:shipping_fee, :waybill_status, :pickup_fee)';

$stmt = $this->dbConn->prepare($sql);
$stmt->bindParam(':shipping_fee', $s_shipping_fee);
$stmt->bindParam(':waybill_status', $s_waybill_status);
$stmt->bindParam(':pickup_fee', $this->pickup_fee);

if($stmt->execute()){ //THIS INSERTED THE STRINGS PERFECTLY
    //NOW ALL VALUES TO BE INSERT INTO $sqal is an array

    $sqal = 'INSERT INTO ' . $table_2. '(id, waybill_number, client_id, item_name, item_weight, item_length, item_width, item_category, date_added) VALUES(null, :waybill_numberr, :client_idaa, :item_name, :item_weight, :item_length, :item_width, :item_category, :date_added)';

    $stmtaaa = $this->dbConn->prepare($sqal);
    $stmtaaa->bindParam(':item_name', $this->item_name); //ARRAY
    $stmtaaa->bindParam(':item_weight', $this->item_weight); //ARRAY
    $stmtaaa->bindParam(':item_length', $this->item_length); //ARRAY
    $stmtaaa->bindParam(':item_width', $this->item_width); //ARRAY
    $stmtaaa->bindParam(':item_category', $this->item_category); //ARRAY

    $stmtaaa->execute(); //HoW do I go about this.
} else {
    echo "Could not insert";
    exit();
}